The Kamioka Gravitational Wave Detector (KAGRA) is a large interferometer designed to detect gravitational waves predicted by the general theory of relativity. KAGRA is a Michelson interferometer that is isolated from external disturbances: its mirrors and instrumentation are suspended and its laser beam operates in a vacuum. The instrument's two arms are three kilometres long and located underground at the Kamioka Observatory which is near the Kamioka section of the city of Hida in Gifu Prefecture, Japan.
KAGRA is a project of the gravitational wave studies group at the Institute for Cosmic Ray Research (ICRR) of the University of Tokyo.[1] It became operational on 25 February 2020, when it began data collection.[2][3] It is Asia's first gravitational wave observatory, the first in the world built underground, and the first whose detector uses cryogenic mirrors. It is expected to have an operational sensitivity equal to, or greater than, LIGO and Virgo. [1]
The Kamioka Observatory specializes in the detection of neutrinos, dark matter and gravitational waves, and has other important instruments, including Super Kamiokande, XMASS and NEWAGE. KAGRA is a laser interferometric gravitational wave detector. It is near the neutrino physics experiments.
The collaboration of LIGO, Virgo, and KAGRA started its current observation run (O4) on 24 May 2023.[4] KAGRA ended its first observation run on 21 April 2020.[5][6]
^ abMosher, Dave; McFall-Johnsen, Morgan (5 October 2019). "A powerful experiment that cracked a 100-year-old mystery posed by Einstein just got a huge upgrade". Business Insider. Retrieved 5 October 2019.
^Cite error: The named reference GWCenter was invoked but never defined (see the help page).
^Cite error: The named reference NAO was invoked but never defined (see the help page).
^"Gravitational-wave detectors start next observing run to explore the secrets of the Universe". Max Planck Society. 24 May 2023. Retrieved 8 June 2023.
^Cite error: The named reference observationrun1end was invoked but never defined (see the help page).
^"LIGO, VIRGO AND KAGRA OBSERVING RUN PLANS". Retrieved 11 October 2022.
Wave Detector (KAGRA) is a large interferometer designed to detect gravitational waves predicted by the general theory of relativity. KAGRA is a Michelson...
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